Has he got any engines left? I'm guessing so, so he'll have a fresh one for the race no doubt
This was pre-Brazil:
Driver Car ICE TC MGU-H MGU-K ES CE
Hamilton Merc 6 8 8 6 5 5
Rosberg Merc 5 5 5 5 4 4
Vettel Ferrari 6 6 6 5 5 5
Kimi Ferrari 5 5 5 5 5 5
Massa Williams 4 4 4 4 3 3
Bottas Williams 4 4 4 4 3 3
Ricciardo Red Bull 5 5 5 5 4 4
Max Red Bull 5 5 5 5 4 5
Hulk FI 4 4 4 4 3 3
Perez FI 4 4 4 4 3 3
KMag Renault 5 5 5 5 5 5
Palmer Renault 5 5 5 5 4 5
Kvyat TR 5 4 4 4 4 4
Sainz TR 5 5 4 4 5 5
Ericsson Sauber 5 6 4 4 4 4
Nasr Sauber 5 5 5 4 4 4
Alonso McLaren 8 9 9 7 7 7
Button McLaren 6 6 6 6 6 6
Wehrlein Manor 4 4 4 4 3 3
Ocon Manor 4 4 4 4 3 3
Grosjean Haas 4 5 4 5 5 5
Gutierrez Haas 4 5 4 4 4 4
So someone feel free to correct me but Rosberg wont be using a brand new engine. (The last 2 parts should be brand new.)
Edit: The formatting looks rubbish in the post but i did spend the time spacing it...